﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using Microsoft.Win32;

namespace Domotica.Gazer
{
    [StructLayout(LayoutKind.Sequential)]
    public struct SHFILEINFO
    {
        public IntPtr hIcon;
        public IntPtr iIcon;
        public uint dwAttributes;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
        public string szDisplayName;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]
        public string szTypeName;
    };

    class Win32
    {
        public const uint SHGFI_ICON = 0x100;
        public const uint SHGFI_LARGEICON = 0x0; // 'Large icon
        public const uint SHGFI_SMALLICON = 0x1; // 'Small icon

        [DllImport("shell32.dll")]
        public static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, uint cbSizeFileInfo, uint uFlags);


        public void GetInfo()
        {
            //IntPtr hImgSmall; //the handle to the system image list
            //IntPtr hImgLarge; //the handle to the system image list
            //string fName; //  'the file name to get icon from
            //SHFILEINFO shinfo = new SHFILEINFO();

            //OpenFileDialog openFileDialog1 = new OpenFileDialog();
            //openFileDialog1.InitialDirectory = "c:\\temp\\";
            //openFileDialog1.Filter = "All files (*.*)|*.*";
            //openFileDialog1.FilterIndex = 2;
            //openFileDialog1.RestoreDirectory = true;

            //listView1.SmallImageList = imageList1;
            //listView1.LargeImageList = imageList1;

            //if (openFileDialog1.ShowDialog() == DialogResult.OK)
            //{
            //    fName = openFileDialog1.FileName;
            //    //Use this to get the small Icon
            //    hImgSmall = Win32.SHGetFileInfo(fName, 0, ref shinfo, (uint)Marshal.SizeOf(shinfo), Win32.SHGFI_ICON | Win32.SHGFI_SMALLICON);

            //    //Use this to get the large Icon
            //    //hImgLarge = SHGetFileInfo(fName, 0, 
            //    //	ref shinfo, (uint)Marshal.SizeOf(shinfo), 
            //    //	Win32.SHGFI_ICON | Win32.SHGFI_LARGEICON);

            //    //The icon is returned in the hIcon member of the shinfo struct
            //    System.Drawing.Icon myIcon = System.Drawing.Icon.FromHandle(shinfo.hIcon);

            //    imageList1.Images.Add(myIcon);

            //    //Add file name and icon to listview
            //    listView1.Items.Add(fName, nIndex++);
            //}
        }
    }


}
